A banjo is a musical instrument with a round body, a long neck, and usually four or five strings that you pluck with your fingers or a pick. The round part is like a drum with a thin skin stretched across it, which gives the banjo its distinctive bright, twangy sound that cuts through other instruments.

The banjo developed in America from instruments brought by enslaved Africans, and it became central to American folk music, bluegrass, and country music. When you hear fast-picking banjo in a bluegrass song, that rapid cascade of notes is often created by a technique called three-finger picking, where the player's hand moves so quickly it becomes almost a blur.

The banjo sounds cheerful and energetic, which is why it shows up in lively barn dances and toe-tapping songs. Famous banjo players like Earl Scruggs transformed the instrument into something that could play incredibly complex, fast melodies. If you've ever heard the theme from The Beverly Hillbillies, you've heard the banjo's unmistakable voice. Learning to play the banjo takes patience and practice, but even simple songs on a banjo have an irresistible, foot-stomping quality that makes people want to dance.